Senior Machine Learning Engineer

Bjak • New York, NY

11d

About The Position

A1 is building a proactive AI system that carries work forward across conversations, tools, and time.
You will be a core owner of significant ML systems in production. This role is for engineers who can independently drive complex ML problems from idea to deployment and make strong trade-offs along the way.

Requirements

• You have built and shipped ML systems used by real users.
• You understand how modern ML models behave — and misbehave — in production.
• You write strong, production-quality code and think in systems, not scripts.
• You take ownership, work independently, and push work across the finish line.
• You learn fast, communicate clearly, and improve through iteration.

Responsibilities

• Build core ML systems that power a proactive, long-horizon AI product.
• Own work end-to-end: data preparation, training, evaluation, inference, and iteration.
• Turn research ideas into working systems that run reliably in production.
• Debug model failures and system issues using real production signals.
• Iterate quickly: ship, measure outcomes, refine, and repeat.
• Collaborate closely with research, product, and engineering to deliver real user impact.
• Mentor and review work from other ML engineers through example and technical judgment.
• Work under real production constraints: latency, cost, reliability, and safety

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed